Gainlab Audio EMPRESS GL-PEQ User manual

2X3 BAND TUBE EQUALIZER
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OPERATION AND SAFETY PRECAUTIONS
Please note that the GLA-PEQ EMPRESS is intended for professional use. It’s not a
consumer electronic device. Its installation and use require certain professional
sound engineering knowledge and skills. Lack of this knowledge may result in
malfunction, damage or personal injury.
■Use only grounded electrical outlet!
■Do not open the device and don’t do any modifications on it!
■Do not attempt to repair or replace any of the components unless
specifically instructed to do so in this guide.
■Pay attention to not put any solid matter (flammable things, coin, nail etc)
or liquid (water, alcohol etc.) inside device.
■Do not twist or break the power cord or place heavy objects on it. Doing
so may damage the cable and cause a short circuit. Damaged cables can
cause fire and electric shock!
■Protect the device from intesive external shock! (for example: falling
down)
Never use the device in following conditions:
-Extreme temperature
-Moisture
-High humidity
-Rain
-Dust
-Heavy vibration
In the following cases, turn offthe machine immediately, unplug the
power cord, and contact us (www.gainlabaudio.com):
■if the mains plug of the appliance is damaged
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■if you notice smoke or an unusual odor
■if any object or liquid gets inside the device,
■if the device has been exposed to rain or other moisture,
■if the device does not operate normally
■Do not connect the appliance to a mains socket to which an electrical
appliance controlled by an inverter, switching power supply (eg
refrigerator, washing machine, microwave, air conditioner) or a appliance
with a motor is connected.
■Depending on the use of the electrical device, power supply noises may
cause a malfunction or audible noise on this unit.If a separate electrical
outlet cannot be used, connect a noise filter between this and the other
electrical appliance.
■The appliance heats up during several hours of continuous operation.
This is normal and not a cause for concern.
■Turn offall devices before connecting the device to other devices. This will
prevent damage to speakers and other equipment.
■Use of the unit near amplifiers or other equipment that contains a
transformer may cause noise. To resolve this issue, relocate the device or
move it away from the interfering device.
■Noise may be caused by using a wireless communication device near the
device, such as a mobile phone. Such noise can occur when making,
receiving, and diverting a call. If you experience this problem, move the
wireless device away from the device or turn it off.
■This unit may interfere with radio and television operation, so do not use
near such receivers.
■If the device is transported to a location with a very different temperature
and / or humidity, moisture may condense inside. Using the device in this
condition may result in damage or malfunction. Therefore, wait a few
hours for the moisture to completely evaporate before using the
appliance.
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CLEANING AND MAINTENANCE
Clean the appliance daily with a soft, dry or slightly damp cloth. Use a soft,
abrasion-free cloth to remove stubborn dirt. Then wipe the device with a dry
cloth. Never use benzine, thinner, alcohol or other solvents, strong alkaline or
acidic cleaners as they may cause discoloration and deformation.
OVERVIEW
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POWER SWITCH
The unit is switched on with the switch marked POWER. Set the switch
labeled POWER to the up position if you want to turn on the unit. Set the
switch labeled POWER to the down position when not in use.
Due to the tube design of the device, it is advisable to leave a “warm-up
time” of 15-20 minutes before starting use.
ATTENTION! the switch labeled POWER puts the device in standby mode, does not
completely disconnect it from the mains, if you want to disconnect the device
completely from the mains, unplug the device from the mains or switch offthe
main switch at the IEC socket !
EQ IN, BYPASS
In BYPASS mode, the device galvanically connects its outputs and inputs,
so we can always check the sound of the compression compared to the
original signal. To select the BYPASS mode, set the switch to the lower
position. To select the EQ IN mode, set the switch to the upper position.
TUBE BOOST
By using this function, the gain of the output tube amplifier can be
increased, and the device adding more harmonic distortion to the signal.
This can makes the resulting sound warmer and more powerful. Set the
switch to the up position to activate the function. Set the switch to the
down position if you do not want to use the function.
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LOW FREQUENCY BAND
One of the features of the filter
networks is that the device is able to
cut and boost at the selected
frequency at the same time, thus can
realizing complex transmission
characteristics. To boost, select the
desired frequency using the FREQ (Hz)
switch. Set the LOW CUT (dB)
parameter to OFF (0). Use the LOW
BOOST (dB) parameter to adjust the
amount of increase.
To cut, select the desired frequency
using the FREQ (Hz) switch. Set the
LOW BOOST (dB) parameter to OFF
(0). Use the LOW CUT (dB) parameter
to set the cut rate. For complex
transmission curve. select the desired
frequency using the FREQ (Hz) switch. Use the LOW BOOST (dB) parameter to set
the amount of increase. Use the LOW CUT (dB) parameter to set the cut rate.
BOOST SHIFT
In connection with simultaneous cutting and bosting, the BOOST
SHIFT function has been added to the device, which is able to shift
the boosted frequency proportionally to the cutting frequency
during operation, enriching the process of creating a complex
transmission curve with additional possibilities. To turn on the
function, set the switch to the down position. To deactivate the
function, set the switch to the upper position. Attention! The degree of frequency
shift depends on the selected frequency!
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TRANSFER CHARACTERISTICS LOW BAND
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HIGH FREQUENCY BAND
One of the features of the filter
networks, the device is able to cut
and boost at the selected frequency
at the same time, thus realizing
complex transmission characteristics.
To b o o s t , s e l e c t t h e d e s i r e d
frequency using the FREQ (Hz) switch.
Set the HIGH CUT (dB) parameter to
OFF (0). Use the HIGH BOOST (dB)
parameter to adjust the amount of
increase.
To cut, select the desired frequency
using the FREQ (Hz) switch. Set the
HIGH BOOST (dB) parameter to OFF
(0). Use the HIGH CUT (dB) parameter
to set the cut rate. For complex
transmission curve. select the desired
frequency using the FREQ (Hz) switch. Use the HIGH BOOST (dB) parameter to
adjust the amount of increase. Use the HIGH CUT (dB) parameter to set the cut
rate.
CUT SHIFT
In connection with simultaneous cutting and boosting, the CUT
SHIFT function has been added to the device, which is able to shift
the cutting frequency in proportion to the boosting frequency
during operation, enriching the process of creating a complex
transmission curve with additional possibilities. To turn on the
function, set the switch to the down position. To deactivate the function, set the
switch to the upper position. Attention! The degree of frequency shift depends on
the selected frequency!
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HIGH SHELVING/BELL
The high frequency band is capable of bell and shelving
characteristics. To select the shelving mode, set the switch to the
upper SHELVING position. To select the bell mode, turn the switch
to the lower BELL position.
TRANSFER CHARACTERISTICS HIGH BAND
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MID FREQUENCY BAND
In addition to the high and low range control option, a medium
frequency band has been added. With this filter system, there is
no possibility of simultaneous cutting and lifting, we are able to
either cut or raise at the selected frequency on the operating
surface.
Use the FREQ (Hz) rotary switch to select the desired frequency
where you want to intervene. To boost, turn the rotary switch of
the MID parameter in the direction marked BOOST until the
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desired lift value is reached. To cut, turn the rotary switch of the MID parameter
in the direction marked CUT until the desired cut value is reached.
TRANSFER CHARACTERISTICS MID BAND
GROUND LIFT
The switch on the back of the device allows the outgoing
audio connection to be disconnected from ground, thus
eliminating ground loop phenomena that occur under
certain conditions. To adjust the ground defrost, set the
GROUND LIFT switch on the rear panel to the up position.
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TECHNICAL SPECIFICATIONS
Inputs: 2x Balanced XLR
Outputs: 2x Balanced XLR
Maximum input level: +23dBu
Input impedance: >10Kohm
Maximum output level: +23dBu
Output impedance: <65ohm
THD+N (0dBu, 1Khz): <0.08%
THD+N (+20dBu, 1Khz): <0.8%
Frequency response: 20Hz-20Khz +/- 0.2dBu
Dimensions: 483mmx280mmx89mm
Weight: 5.4 Kg
Mains voltage: 230V AC (EU version)
110V AC (US version)
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EMPRESS RECALL SHEET:
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